.white-nav{
    width: 100%;
    height: 100px;
    background: #fff;
    position: relative;
}
.q{
    width: 1226px;
    margin: 0 auto;
    
}
.milogo{
    width: 56px;
    height: 56px;
    float: left;
    margin-top: 22px;
    position: relative;
    left: -28px;
}
.milogo img{
    float: left;
    width: 56px;
    height: 56px;
    position: absolute;
    top: 0;
}
.header-nav{
    float: left;
    width: 800px;
    height: 100px;
    line-height: 75px;
    margin-left: 50px;
}
.header-nav li{
    float: left;
}
.header-nav li a{
    color: #333;
    padding: 0 10px;
}
.header-nav li a:hover{
    color: #ff6700;
}
.shousuo{
    width: 296px;
    height: 56px;
    float: left;
    margin-top: 22px;
    position: relative;
}
.shousuo input{
    width: 244px;
    height: 50px;
    float: right;
    margin-right: 28px;
}
.shousuo button{
    width: 52px;
    height: 56px;
    float: right;
    box-shadow: 0 1px 5px #aaa;
    position: absolute;
    right: -23px;
}
.shousuo button img{
    width: 20px;
    height: 20px;
    position: absolute;
    top: 15px;
    right: 15px;
}
